91嫩草国产线观看免费无码_中文字幕乱码视频日韩欧美_亚洲欧美成人在线_在线观看成人影院_色又黄又爽18禁免费网站_最新福利一区二区在线观看_国产一级黄色视频卡片_国产亚洲欧美东京日韩_国产精品无码免费视频_久久高清成人免费电影

DC24V power supply input, Modbus communicatin protocol.

Vertical dot matrix display.

One orange 5*7 dot matrixes display the elevator running direction and one orange 7*11 doe matrixes display the elevator present floor.

Support one group of normal hall call and one group of disabled hall call.